setEffectVolume method
Implementation
Future<int> setEffectVolume(int effectId, int volume) async {
Map<String, dynamic> arguments = {'effectId': effectId, 'volume': volume};
String? result = await _channel.invokeMethod("setEffectVolume", arguments);
Map<String, dynamic> json = jsonDecode(result!);
int? code = json['code'];
return code ?? -1;
}